On Sun, 29 Apr 2007, Alexander Staubo wrote:

We could be talking about different things, though. What Joe Celko is
probably talking about is referential integrity as defined in a schema
using foreign keys, as opposed to, say, triggers. Eg.,

Alexander,

  I think you are correct. So much of his references are to MS SQL Server
that his use of DRI is probably in that context.

PostgreSQL supports the ANSI SQL syntax for declaring foreign keys.

  Yup. Used 'em for years.

Thanks,

Rich

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